Mailing List Archive

[ANNOUNCE] Apache Lucene 8.9.0 released
The Lucene PMC is pleased to announce the release of Apache Lucene 8.9.0.

Apache Lucene is a high-performance, full-featured text search engine
library written entirely in Java. It is a technology suitable for nearly
any application that requires full-text search, especially cross-platform.

This release contains numerous bug fixes, optimizations, and improvements,
some of which are highlighted below. The release is available for immediate
download at:


### Lucene 8.9.0 Release Highlights:

* Compression was added to SortedSet DocValues, which allowed to
significantly reduce their size on disk.
* BM25FQuery was extended to handle similarities beyond BM25Similarity. It
was renamed to CombinedFieldQuery to reflect its more general scope.
* A new PatternTypingFilter was added to allow setting a type attribute on
tokens based on a configured set of regular expressions.
* An option was added to supply a custom leaf sorter for IndexWriter and
DirectoryReader, which allows to speed up sort queries with a provided sort

Please read CHANGES.txt for a full list of new features and changes:


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